Re: ora-1652 on *undo* tablespace?

On Mar 5, 5:04 pm, Chuck <skilover_nos..._at_bluebottle.com> wrote:
> ORA-1652: unable to extend temp segment by 8 in tablespace UNDO1
>
> Today I saw in my alert log the above error. How does one create a
> *temp* segment in an *undo* tablespace? I've tried setting my temporary
> tablespace to UNDO1 and it failed with an error. I tried creating an
> index in UNDO1 and it failed with an error. So what caused this message
> in the alert log?
>
> RDBMS version is 9.2.0.5.
>
> Then about an hour later I user got an ora-30036 on the UNDO1
> tablespace. The tablespace should have been no where near full. It has
> 7g of datafiles assigned to it. DBA_UNDO_EXTENTS was reporting about
> 2.5g unexpired, 60m expired, and < 1m active. Yet Grid control (10g r2)
> was saying the tablespace was 100% full. It was actually only about 35%
> full. What am I missing?

also check your UNDO_RETENTION init.ora parameter and change the value according to your business requirements. This parameter will also have impact on reusing the undo segments.

Krish Received on Tue Mar 06 2007 - 22:35:47 CST